svn commit: r327217 - stable/11/sys/net

[Bryan Venteicher]

Author: bryanv
Date: Tue Dec 26 17:12:16 2017
New Revision: 327217
URL: https://svnweb.freebsd.org/changeset/base/327217

Log:
  MFC r326480:
  
  Add if media and link status events to vxlan

Modified:
  stable/11/sys/net/if_vxlan.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/net/if_vxlan.c
==============================================================================
--- stable/11/sys/net/if_vxlan.c        Tue Dec 26 16:50:49 2017        
(r327216)
+++ stable/11/sys/net/if_vxlan.c        Tue Dec 26 17:12:16 2017        
(r327217)
@@ -56,6 +56,7 @@ __FBSDID("$FreeBSD$");
 #include <net/if_var.h>
 #include <net/if_clone.h>
 #include <net/if_dl.h>
+#include <net/if_media.h>
 #include <net/if_types.h>
 #include <net/if_vxlan.h>
 #include <net/netisr.h>
@@ -177,6 +178,7 @@ struct vxlan_softc {
        uint8_t                          vxl_hwaddr[ETHER_ADDR_LEN];
        int                              vxl_mc_ifindex;
        struct ifnet                    *vxl_mc_ifp;
+       struct ifmedia                   vxl_media;
        char                             vxl_mc_ifname[IFNAMSIZ];
        LIST_ENTRY(vxlan_softc)          vxl_entry;
        LIST_ENTRY(vxlan_softc)          vxl_ifdetach_list;
@@ -342,6 +344,8 @@ static void vxlan_clone_destroy(struct ifnet *);
 
 static uint32_t vxlan_mac_hash(struct vxlan_softc *, const uint8_t *);
 static void    vxlan_fakeaddr(struct vxlan_softc *);
+static int     vxlan_media_change(struct ifnet *);
+static void    vxlan_media_status(struct ifnet *, struct ifmediareq *);
 
 static int     vxlan_sockaddr_cmp(const union vxlan_sockaddr *,
                    const struct sockaddr *);
@@ -1655,6 +1659,7 @@ vxlan_init(void *xsc)
            vxlan_timer, sc);
        VXLAN_WUNLOCK(sc);
 
+       if_link_state_change(ifp, LINK_STATE_UP);
 out:
        vxlan_init_complete(sc);
 }
@@ -1710,6 +1715,7 @@ vxlan_teardown_locked(struct vxlan_softc *sc)
        sc->vxl_sock = NULL;
 
        VXLAN_WUNLOCK(sc);
+       if_link_state_change(ifp, LINK_STATE_DOWN);
 
        if (vso != NULL) {
                vxlan_socket_remove_softc(vso, sc);
@@ -2219,6 +2225,12 @@ vxlan_ioctl(struct ifnet *ifp, u_long cmd, caddr_t dat
        case SIOCSIFFLAGS:
                error = vxlan_ioctl_ifflags(sc);
                break;
+
+       case SIOCSIFMEDIA:
+       case SIOCGIFMEDIA:
+               error = ifmedia_ioctl(ifp, ifr, &sc->vxl_media, cmd);
+               break;
+
        default:
                error = ether_ioctl(ifp, cmd, data);
                break;
@@ -2685,6 +2697,10 @@ vxlan_clone_create(struct if_clone *ifc, int unit, cad
        ifp->if_transmit = vxlan_transmit;
        ifp->if_qflush = vxlan_qflush;
 
+       ifmedia_init(&sc->vxl_media, 0, vxlan_media_change, vxlan_media_status);
+       ifmedia_add(&sc->vxl_media, IFM_ETHER | IFM_AUTO, 0, NULL);
+       ifmedia_set(&sc->vxl_media, IFM_ETHER | IFM_AUTO);
+
        vxlan_fakeaddr(sc);
        ether_ifattach(ifp, sc->vxl_hwaddr);
 
@@ -2711,6 +2727,7 @@ vxlan_clone_destroy(struct ifnet *ifp)
 
        ether_ifdetach(ifp);
        if_free(ifp);
+       ifmedia_removeall(&sc->vxl_media);
 
        vxlan_ftable_fini(sc);
 
@@ -2768,6 +2785,22 @@ vxlan_fakeaddr(struct vxlan_softc *sc)
        arc4rand(sc->vxl_hwaddr, ETHER_ADDR_LEN, 1);
        sc->vxl_hwaddr[0] &= ~1;
        sc->vxl_hwaddr[0] |= 2;
+}
+
+static int
+vxlan_media_change(struct ifnet *ifp)
+{
+
+       /* Ignore. */
+       return (0);
+}
+
+static void
+vxlan_media_status(struct ifnet *ifp, struct ifmediareq *ifmr)
+{
+
+       ifmr->ifm_status = IFM_ACTIVE | IFM_AVALID;
+       ifmr->ifm_active = IFM_ETHER | IFM_FDX;
 }
 
 static int
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